KR20090060439A - 기지국장치 - Google Patents

기지국장치 Download PDF

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Publication number
KR20090060439A
KR20090060439A KR20097007650A KR20097007650A KR20090060439A KR 20090060439 A KR20090060439 A KR 20090060439A KR 20097007650 A KR20097007650 A KR 20097007650A KR 20097007650 A KR20097007650 A KR 20097007650A KR 20090060439 A KR20090060439 A KR 20090060439A
Authority
KR
South Korea
Prior art keywords
common pilot
channel
common
precoding
weight
Prior art date
Application number
KR20097007650A
Other languages
English (en)
Korean (ko)
Inventor
켄이치 히구치
요시히사 기시야마
마모루 사와하시
Original Assignee
가부시키가이샤 엔티티 도코모
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시키가이샤 엔티티 도코모 filed Critical 가부시키가이샤 엔티티 도코모
Publication of KR20090060439A publication Critical patent/KR20090060439A/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0684—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR20097007650A 2006-10-03 2007-10-01 기지국장치 KR20090060439A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2006-272343 2006-10-03
JP2006272343A JP4855888B2 (ja) 2006-10-03 2006-10-03 基地局装置

Publications (1)

Publication Number Publication Date
KR20090060439A true KR20090060439A (ko) 2009-06-12

Family

ID=39268532

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20097007650A KR20090060439A (ko) 2006-10-03 2007-10-01 기지국장치

Country Status (9)

Country Link
US (1) US20100009718A1 (pt)
EP (1) EP2068479A4 (pt)
JP (1) JP4855888B2 (pt)
KR (1) KR20090060439A (pt)
CN (1) CN101569127B (pt)
BR (1) BRPI0719846A2 (pt)
MX (1) MX2009003517A (pt)
RU (1) RU2009114329A (pt)
WO (1) WO2008041677A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10419183B2 (en) 2014-04-25 2019-09-17 Huawei Technologies Co., Ltd. Method and apparatus for sending and receiving signal

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* Cited by examiner, † Cited by third party
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US8243850B2 (en) * 2006-10-24 2012-08-14 Samsung Electronics Co., Ltd. Method and system for generating reference signals in a wireless communication system
JP5045127B2 (ja) * 2007-01-31 2012-10-10 富士通モバイルコミュニケーションズ株式会社 無線通信システム
US8064386B2 (en) * 2007-07-19 2011-11-22 Interdigital Technology Corporation Wireless communication method and apparatus for encoding and decoding beamforming vectors
KR20090110497A (ko) * 2008-04-18 2009-10-22 삼성전자주식회사 무선통신시스템에서 파일럿 전송 장치 및 방법
JP2010010966A (ja) * 2008-06-25 2010-01-14 Sumitomo Electric Ind Ltd 無線通信装置、及びｍｉｍｏ無線通信における信号送信方法
US8611294B2 (en) 2008-12-03 2013-12-17 Nokia Siemens Networks Oy Method and communication network element for transmitting reference signals
GB2466070B (en) * 2008-12-12 2014-04-30 Nokia Corp An apparatus
BRPI1012727B1 (pt) * 2009-03-16 2020-12-29 Blackberry Limited método de transmissão a partir de um transmissor em um enlace de comunicação e estação base
KR101263112B1 (ko) 2009-03-24 2013-05-09 후지쯔 가부시끼가이샤 무선 통신 시스템, 단말 장치, 기지국 장치, 및 무선 통신 시스템에서의 무선 통신 방법
JP2012525757A (ja) * 2009-04-30 2012-10-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ネットワークにおいて通信するための方法
JP5378145B2 (ja) * 2009-10-15 2013-12-25 京セラ株式会社 基地局装置及び基地局装置の通信制御方法
JP2012004609A (ja) * 2010-06-14 2012-01-05 Sharp Corp 基地局装置、端末装置、通信システムおよび通信方法
US9148204B2 (en) 2010-06-21 2015-09-29 Qualcomm Incorporated Physical resource block (PRB) bundling for open loop beamforming
CN103139922B (zh) * 2011-11-25 2015-05-13 华为技术有限公司 发送、接收控制信道信息的方法、设备和系统
JP5554799B2 (ja) * 2012-03-19 2014-07-23 株式会社Ｎｔｔドコモ 無線基地局装置、ユーザ端末、無線通信システム及び無線通信方法
US20150124750A1 (en) * 2013-11-07 2015-05-07 Qualcomm Incorporated Single carrier modulation for uplink transmissions
US10674454B2 (en) * 2014-03-21 2020-06-02 Qualcomm Incorporated Compressed mode with DCH enhancements
CN114938319B (zh) * 2022-04-02 2023-12-08 上海交通大学 多天线系统的导频信号生成和信道估计方法、系统、介质及设备

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US6141542A (en) * 1997-07-31 2000-10-31 Motorola, Inc. Method and apparatus for controlling transmit diversity in a communication system
US6901062B2 (en) * 1999-12-01 2005-05-31 Kathrein-Werke Kg Adaptive antenna array wireless data access point
EP2262151B1 (en) * 2000-07-05 2017-10-04 Sony Deutschland Gmbh Pilot pattern design for multiple antennas in an OFDM system
US7167526B2 (en) * 2001-06-07 2007-01-23 National Univ. Of Singapore Wireless communication apparatus and method
CN1161907C (zh) * 2001-07-20 2004-08-11 华为技术有限公司 无线通信系统下行反馈多天线发射方法与装置
US7447967B2 (en) * 2001-09-13 2008-11-04 Texas Instruments Incorporated MIMO hybrid-ARQ using basis hopping
JP4086574B2 (ja) * 2002-04-12 2008-05-14 松下電器産業株式会社 パスサーチ回路、無線受信装置及び無線送信装置
JP4097129B2 (ja) * 2002-08-08 2008-06-11 三菱電機株式会社 無線伝送装置および無線装置
JP2005020396A (ja) * 2003-06-26 2005-01-20 Toshiba Lighting & Technology Corp 放送設備遠隔監視システム
GB2411327A (en) * 2004-02-20 2005-08-24 Toshiba Res Europ Ltd Training sequence for MIMO-OFDM which is suitable for use with null sub-carriers
CN103036844B (zh) * 2004-03-15 2017-11-24 苹果公司 用于具有四根发射天线的ofdm系统的导频设计
JP2006272343A (ja) 2005-03-28 2006-10-12 Jfe Steel Kk ハット型鋼矢板継手の爪曲げ方法および爪曲げ装置
KR101124932B1 (ko) * 2005-05-30 2012-03-28 삼성전자주식회사 어레이 안테나를 이용하는 이동 통신 시스템에서의 데이터송/수신 장치 및 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10419183B2 (en) 2014-04-25 2019-09-17 Huawei Technologies Co., Ltd. Method and apparatus for sending and receiving signal

Also Published As

Publication number Publication date
EP2068479A4 (en) 2013-09-04
CN101569127B (zh) 2013-08-28
CN101569127A (zh) 2009-10-28
RU2009114329A (ru) 2010-11-10
EP2068479A1 (en) 2009-06-10
US20100009718A1 (en) 2010-01-14
JP4855888B2 (ja) 2012-01-18
BRPI0719846A2 (pt) 2014-04-29
MX2009003517A (es) 2009-06-26
WO2008041677A1 (fr) 2008-04-10
JP2008092374A (ja) 2008-04-17

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application